package cn.tedu.order.service.impl;

import cn.tedu.order.entity.Order;
import cn.tedu.order.feign.AccountClient;
import cn.tedu.order.feign.EasyIdClient;
import cn.tedu.order.feign.StorageClient;
import cn.tedu.order.mapper.OrderMapper;
import cn.tedu.order.service.OrderService;
import io.seata.spring.annotation.GlobalTransactional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;


/**
 * 订单具体操作
 *
 * @author 郭鲁政
 */

@Service

public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private EasyIdClient easyIdClient;
    @Autowired
    private AccountClient accountClient;
    @Autowired
    private StorageClient storageClient;

    @GlobalTransactional //开启全局事务
    @Transactional //开启本地事务
    @Override
    public void create(Order order) {
        //TODO:远程调用发号器,获取订单ID
        String orderId = easyIdClient.nextId("order_business");
        Long aLong = Long.valueOf(orderId);
        //TODO:临时随机产生一个id,添加发号器之后,删除这行代码

        order.setId(aLong);
        orderMapper.create(order);
        //TODO:远程调用库存,减少库存
        storageClient.decrease(order.getProductId(), order.getCount());
        //TODO:远程调用账户,扣减账户
        accountClient.decrease(order.getUserId(), order.getMoney());
    }
}
